NASA Deploys Satellite to Track Air Pollutants
The new TEMPO satellite provides high-resolution hourly monitoring of formaldehyde and nitrogen oxides globally.
Updated on Oct. 23, 2026 in Asthma

Live Poll
Should air quality regulations differentiate between local pollution sources and distant wildfire smoke?
NASA has launched the TEMPO satellite to track atmospheric air pollutants such as formaldehyde and nitrogen oxides. The agency also introduced TEMPO Lite, an interactive tool designed to give the public access to this high-resolution air quality data.
Why it matters
The satellite helps air quality managers distinguish between local pollution sources and distant wildfire smoke, preventing unnecessary regulatory restrictions. This precise documentation is crucial for regions facing ozone exceedances caused by external events.
Connecticut reported 13 ozone exceedances by July 4, 2026, partially attributed to wildfire smoke from Canada. The TEMPO satellite provides hourly, high-resolution measurements of formaldehyde and nitrogen oxide levels to track these pollutants.
The players
NASA
The United States government agency responsible for the nation's civilian space program and aeronautics research.
Smithsonian Astrophysical Observatory
A research institute based in Boston that collaborates on the development of astrophysical instruments and data analysis.
Georgia Institute of Technology
A prominent research university located in Atlanta that contributes to engineering and environmental science studies.
The details
By estimating smoke plume heights and calculating sunlight penetration, the satellite tracks how volatile organic compounds break down into formaldehyde. This data allows officials to map the relationship between precursor emissions and the formation of ozone and particulate matter.
Timeline
Summer 2026: Wildfire smoke from Canada impacted Connecticut air quality.
July 4, 2026: Connecticut reached 13 ozone exceedances.
The Big Picture
This initiative follows the enforcement requirements of the Clean Air Act's national ambient air quality standards. By providing precise data, the technology helps states meet these regulatory benchmarks while accounting for transboundary pollution.
Access to high-resolution air quality data helps individuals with asthma or respiratory issues plan their daily activities when pollution levels spike. This transparency allows for more informed health decisions during periods of poor air quality caused by wildfire smoke.
The takeaway
Advanced satellite monitoring is shifting how states address environmental hazards by providing evidence-based data on pollution sources. Readers can use these public tools to monitor local air quality, especially during wildfire seasons when respiratory triggers are high.
Further reading
Learn more about managing environmental triggers in our Asthma section.
More information
Track real-time air quality developments using the TEMPO Lite interactive mapping tool.
Live Poll
Should air quality regulations differentiate between local pollution sources and distant wildfire smoke?







